diff --git a/framework/core/js/forum/src/components/PostUser.js b/framework/core/js/forum/src/components/PostUser.js
index 0bbaf1420..3df0600bb 100644
--- a/framework/core/js/forum/src/components/PostUser.js
+++ b/framework/core/js/forum/src/components/PostUser.js
@@ -92,7 +92,7 @@ export default class PostUser extends Component {
    */
   hideCard() {
     this.$('.UserCard').removeClass('in')
-      .one('transitionend', () => {
+      .one('transitionend webkitTransitionEnd oTransitionEnd', () => {
         this.cardVisible = false;
         m.redraw();
       });